/*
* TeleStax, Open Source Cloud Communications Copyright 2012.
* and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.protocols.ss7.tcapAnsi.asn;
import java.io.IOException;
import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.mobicents.protocols.asn.Tag;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.DialogPortion;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.EncodeException;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.ParseException;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.Component;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.PAbortCause;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.TCQueryMessage;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.TCUniMessage;
/**
* @author baranowb
* @author sergey vetyutnev
*
*/
public class TCUniMessageImpl implements TCUniMessage {
private DialogPortion dp;
private Component[] component;
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.TCUniMessage#getComponent()
*/
public Component[] getComponent() {
return component;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.TCUniMessage#getDialogPortion()
*/
public DialogPortion getDialogPortion() {
return dp;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.TCUniMessage#setComponent(org
* .mobicents.protocols.ss7.tcap.asn.comp.Component[])
*/
public void setComponent(Component[] c) {
this.component = c;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.TCUniMessage#setDialogPortion
* (org.mobicents.protocols.ss7.tcap.asn.DialogPortion)
*/
public void setDialogPortion(DialogPortion dp) {
this.dp = dp;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.Encodable#decode(org.mobicents.protocols .asn.AsnInputStream)
*/
public void decode(AsnInputStream ais) throws ParseException {
this.dp = null;
this.component = null;
try {
AsnInputStream localAis = ais.readSequenceStream();
// transaction portion
TransactionID tid = TcapFactory.readTransactionID(localAis);
if (tid.getFirstElem() != null || tid.getSecondElem() != null) {
throw new ParseException(PAbortCause.BadlyStructuredTransactionPortion,
"Error decoding TCUniMessage: transactionId must contain no data");
}
// dialog portion
if (localAis.available() == 0) {
throw new ParseException(PAbortCause.UnrecognizedDialoguePortionID,
"Error decoding TCUniMessage: neither dialog no component portion is found");
}
int tag = localAis.readTag();
if (tag == DialogPortion._TAG_DIALOG_PORTION) {
this.dp = TcapFactory.createDialogPortion(localAis);
if (localAis.available() == 0)
return;
tag = localAis.readTag();
}
// component portion
this.component = TcapFactory.readComponents(localAis);
if (this.component == null) {
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion, "Error decoding TCUniMessage: neither dialog no component portion is found");
}
} catch (IOException e) {
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion, "IOException while decoding TCUniMessage: " + e.getMessage(), e);
} catch (AsnException e) {
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion, "AsnException while decoding TCUniMessage: " + e.getMessage(), e);
}
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.Encodable#encode(org.mobicents.protocols .asn.AsnOutputStream)
*/
public void encode(AsnOutputStream aos) throws EncodeException {
if (this.component == null || this.component.length == 0)
throw new EncodeException("Error while encoding TCUniMessage: componentPortion is not defined");
try {
aos.writeTag(Tag.CLASS_PRIVATE, false, TCUniMessage._TAG_UNI);
int pos = aos.StartContentDefiniteLength();
aos.writeOctetString(Tag.CLASS_PRIVATE, TCQueryMessage._TAG_TRANSACTION_ID, new byte[0]);
if (this.dp != null)
this.dp.encode(aos);
if (component != null && component.length > 0) {
aos.writeTag(Tag.CLASS_PRIVATE, false, TCQueryMessage._TAG_COMPONENT_SEQUENCE);
int pos2 = aos.StartContentDefiniteLength();
for (Component c : this.component) {
c.encode(aos);
}
aos.FinalizeContent(pos2);
}
aos.FinalizeContent(pos);
} catch (IOException e) {
throw new EncodeException("IOException while encoding TCUniMessage: " + e.getMessage(), e);
} catch (AsnException e) {
throw new EncodeException("AsnException while encoding TCUniMessage: " + e.getMessage(), e);
}
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("TCUniMessage [");
if (this.dp != null) {
sb.append("DialogPortion=");
sb.append(this.dp);
sb.append(", ");
}
if (this.component != null && this.component.length > 0) {
sb.append("Components=[");
int i1 = 0;
for (Component comp : this.component) {
if (i1 == 0)
i1 = 1;
else
sb.append(", ");
sb.append(comp.toString());
}
sb.append("], ");
}
sb.append("]");
return sb.toString();
}
}